Light Stick – 8 Hour, Blue. Portable, single-use light sticks. Easily activated – bend, snap and shake – no batteries, bulbs, matches or power source required. Weatherproof – can be used in rain, snow, wind and underwater. Non-flammable – can be used in areas where ordinary sources of light could pose a hazard. Ideal for home, travel and cottage emergencies, industrial safety, emergency vehicular needs, natural disasters, police and security use, firefighters, marine and boating. Non-toxic. Length: 15.2 cm (6″). Sold as Each.